ECC Data Load InterruptedException: Read Timed Out

This `InterruptedException: Read timed out` error originates deep within the ECC indexing services, often specifically from `oracle.ecc.index.update.metadata.CollectionRegistration.createCollection` . This indicates a timeout occurred during the creation or registration of the Solr collection, which is a key step in initializing the dataset . Such errors are usually symptomatic of a network latency issue, inadequate resource allocation (CPU/RAM), or firewall blocks between the ECC Weblogic managed server and the Solr core components.

Although the time-out suggests slow communication rather than an outright block, you should ensure that the ECC application components (like the managed server and Solr services) can communicate freely . The connection filters in Weblogic are set up primarily to allow EBS traffic . If running on a cloud platform, verify that the security group rules are not imposing restrictions on internal ports used by Solr and Zookeeper, or that there are no connection filter deny rules active on the Weblogic managed server port (default 7776) .

While the standard concurrent program is designed for `FULL_LOAD` or `INCREMENTAL_LOAD`, performance issues often stem from the sheer size of the initial collection creation . You might attempt running the load with a `METADATA` load type first to ensure the structure is indexed, followed by a constrained `FULL_LOAD` if the data model allows parameter filtering in EBS , . If the error persists even for smaller data sets, the issue points back to a fundamental stability or resource constraint in the ECC environment .

Resource issues are a common cause of slow startups and timeouts in ECC . You must check the ECC server’s allocated RAM, swap space, and CPU core count/frequency . Insufficient RAM that forces the Java application (Weblogic/Solr) to use excessive swap space during intensive operations will significantly increase execution time and lead to timeouts .